Finding the Fourth Proportional to 2,649,217,189.18, 3,655,997,705.42 and 1,459,862,771.77
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Solution
The fourth proportional to 2,649,217,189.18, 3,655,997,705.42 and 1,459,862,771.77 is: 2,014,653,598.66
Step by Step Solution
- Step 1: Write the proportion equation
2,649,217,189.18 : 3,655,997,705.42 = 1,459,862,771.77 : x - Step 2: Convert to fraction form
2,649,217,189.18/3,655,997,705.42 = 1,459,862,771.77/x - Step 3: Cross multiply
2,649,217,189.18x = 3,655,997,705.42 × 1,459,862,771.77 - Step 4: Simplify right side
2,649,217,189.18x = 5,337,254,943,824,691,200 - Step 5: Solve for x
x = 5,337,254,943,824,691,200/2,649,217,189.18 - Step 6: Final answer
x = 2,014,653,598.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.